Chapters 4-8 Flashcards
(28 cards)
XR
xbar and R
MR
Moving Range
UCL
Upper Control Limit
LCL
Lower Control Limit
Attribute data is best described by the term: A. Trinomial distribution B. Monomial distribution C. Discrete distribution D. None of the above
C. Discrete distribution
You want a “tool” to help determine a “special cause”. The tool you choose is called a “Fishbone diagram”. Which of the following terms is NOT associated with this tool?
A. Methods B. Manpower C. Environment D. Economy
D. Economy
Use an XR chart when:
A. Your boss tells you to
B. When your data are grouped in rational subgroups
C. When your data cannot be grouped into rational subgroups
D. As a default when you don’t know what else to do
B. When your data are grouped in rational subgroups
NP Charts are used to plot what kind of data?
A. Measures of product quality such as purity and pH.
B. Counts of customer complaints
C. Proportions of rejected drums.
D. Quality audit compliance statistics
C. Proportions of rejected drums
According to the Pareto principle, the 20% of the causes responsible for 80% of your problems are called: A. The trivial many B. The vital few C. The misunderstood D. The Pareto Pack
B. The vital few
“C” Charts can be used to plot what kind of data?
A. Measures of product quality such as purity and pH.
B. Counts of customers complaints
C. Proportions of rejected drums
D. Quality audit compliance stastics
B. Counts of customer complaints
A variable control chart:
A. Helps distinguish between common cause and special cause variation.
B. Helps distinguish between uncommon cause and special cause variation.
C. Helps distinguish between common cause and uncommon cause variations.
D. None of the Above
A. Helps distinguish between common cause and special cause variation.
There are three (3) main rules for interpreting control charts. Which one of the following is NOT one of the rules? A. Out of control B. Negative slope C. Shifts D. Trends
B. Negative slope
(T/F) Brainstorming is a tool used by a group to collect large amounts of ideas over a short period of time.
True
What is the difference between an individuals control chart and an XR chart?
A. There is no difference
B. Individuals control charts use individual measurements. Whereas XR charts use averages of grouped measurements.
C. XR is easier to use.
D. Individuals control charts cannot be used by teams.
B. Individuals control charts use individual measurements. Whereas XR charts use averages of grouped measurements.
(T/F) Fishbone diagrams can be used for guiding brainstorming activities as well as categorizing the results of brainstorming activities.
TRUE
Brainstorming activities are carried out as a ______ activity.
group
Correlation does \_\_\_\_\_\_\_ equal \_\_\_\_\_\_\_\_. A. not - confusion B. always - causation C. not - causation D. always - confusion
C. not - causation
The term "regression" involves the "fitting of a line to the experimental data that have been collected". If, therefore, you have two variables and you want to see if there is a \_\_\_\_\_\_\_, you could use a regression analysis to determine if one exists. A. Interpolation B. Conflagration C. Correlation D. None of the above
C. Correlation
The term “flowchart” is used to demonstrate a technique where we can ensure that “everybody possesses the same understanding on any given issue. One such illustration in the book involves the use of simple symbols to draw a flowchart for changing a flat tire. One such symbol is a circle. From the list below, identify another symbol used.
A. Triangle B. Diamond C. Ellipse D. None of the above
B. Diamond
The xbar of a data set is 25.0 and the sigma/standard deviation = 1.14. From the following list of data points, indicate which points, if any, are “out of control”.
A. 28.1 B. 27.2 C. 21.5 D. All of the above
C. 21.5
PDCA stands for Plan, Do, Check, Act. The definition in the book states: PDCA is a cycle used to generate \_\_\_\_ improvement. A. General B. Specific C. Continuous D. None of the above
C. Continuous
The A2 factors were created to \_\_\_\_\_ the control limits based on the \_\_\_\_\_. A. calculate - average B. simulate - standard deviation C. estimate - range D. none of the above
C. estimate - range
The two types of data encountered by Process Technicians are \_\_\_\_\_\_ & \_\_\_\_\_\_. A. positive & negative B. variable & non-variable C. variable & attribute D. none of the above
C. variable and attribute.
In fishbone diagrams, what are the 4 M’s and E?
Methods, Manpower, Materials, Machines, and Environment
